| 1 | ||
| Researcher: | Devendra Prasad | |
| Guide: | Sharma, Ram Naresh Prasad | |
| University: | Magadh University | |
| Language: | English | |
| 2 | ||
| Researcher: | Singh, Devendra | |
| Guide: | Singh, Madhusudan | |
| University: | Dr Bhimrao Ambedkar University | |
| Language: | English | |
| 3 | Environmental pollution and its implications in Sagar District | |
| Researcher: | Sahu, Devendra | |
| Guide: | Mishra, R P | |
| University: | Dr Harisingh Gour Vishwavidyalaya | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Singh, Devendra nath | |
| Guide: | Rao, B P | |
| University: | Deendayal Upadhyay Gorakhpur University | |
| Language: | English | |